Color: Black / Silver / Blue / Red; Material: Aluminum Alloy; Readings: Metric This triangle ruler serves multiple functions: it's a set square, protractor, line scriber and saw guide; Application: Great tool for carpenter, construction professional, roofer, DIY and more; Use: Suitable for determining and marking angles and making square cuts. : Aluminum Alloy Material, Electrophoretic Paint Process, High Hardness, Strong Toughness, Not Easy To Clear Scale: Scale, Clear And Wear-resistant; Double-sided Data: Double-sided Metric And Inch Marking Lines To Meet Different Needs Easy reading: Permanent graduations with clear and easy-to-read numbers; Portable: Compact design, easily take to everywhere. Package included:1pcs, Manufacturer: MRKU